CN217649395U - Vehicle intelligent distribution box and vehicle - Google Patents
Vehicle intelligent distribution box and vehicle Download PDFInfo
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- CN217649395U CN217649395U CN202221834053.XU CN202221834053U CN217649395U CN 217649395 U CN217649395 U CN 217649395U CN 202221834053 U CN202221834053 U CN 202221834053U CN 217649395 U CN217649395 U CN 217649395U
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Abstract
The utility model discloses a vehicle intelligent distribution box and vehicle, wherein, the distribution box includes: the power supply device comprises a main power supply branch, a plurality of power supply distribution branches, a communication chip, a main control chip and a drive chip, wherein the output end of each power supply distribution branch is connected to a corresponding load, and a power distribution electronic switch is arranged on each power supply distribution branch; when the communication chip receives a power-on instruction, the power-on instruction is sent to the main control chip, the main control chip drives and controls the power distribution electronic switches on the corresponding power supply distribution branches through the driving chip according to the power-on instruction, the driving chip also monitors working parameters of the power distribution electronic switches on the corresponding power supply distribution branches so as to carry out power distribution protection on the corresponding power supply distribution branches, and sends the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches to the main control chip so as to send the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches to the whole vehicle communication network through the main control chip. Therefore, the electric safety of the whole vehicle is improved.
Description
Technical Field
The utility model relates to a vehicle distribution technical field especially relates to a vehicle intelligent power distribution box and a vehicle.
Background
With the increase of truck vehicle regulation items and the improvement of comfort configuration requirements in recent years, the distribution load of the existing power supply scheme is increased, meanwhile, the problem of wiring harness arrangement space is more and more difficult, and the intelligent driving application has the improved requirement on power supply distribution. At present, the power distribution scheme of the related technology mainly combines a vehicle body distribution box and a chassis distribution box, primary power distribution is provided by a storage battery through the chassis distribution box, and secondary power distribution is provided by a vehicle body distribution box and a relay through the chassis distribution box.
However, the power distribution scheme of the related art usually adopts the conventional relay and the safety plate for power distribution, so that the functional safety level is low, the intelligent driving technology cannot be applied to the conventional power distribution vehicle, the power monitoring is lacked, various fault states (overcurrent, overvoltage, overtemperature and the like) during electrical failure cannot be timely warned, the maintenance is difficult, and the potential safety hazard of the whole vehicle is caused.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the utility model discloses a first aim at provides a vehicle intelligent power distribution box can realize the whole car distribution of no rupture disc and relay state, and just reports through the working parameter of distribution electronic switch on the corresponding power distribution branch road of monitoring to improve whole car power consumption safety.
A second object of the present invention is to provide a vehicle.
In order to achieve the above object, the utility model discloses vehicle intelligent distribution box that first aspect provided, include: a main power supply branch; the input end of each power supply distribution branch in the power supply distribution branches is connected to the output end of the main power supply branch in parallel, the output end of each power supply distribution branch is connected to a corresponding load, and a power distribution electronic switch is arranged on each power supply distribution branch; the communication chip is connected with the main control chip, the driving chip is connected with the main control chip, the communication chip and the main control chip are respectively connected to a whole vehicle communication network, wherein when the communication chip receives a power-on instruction, the power-on instruction is sent to the main control chip, the main control chip drives and controls the power distribution electronic switch on the corresponding power supply distribution branch circuit through the driving chip according to the power-on instruction, the driving chip also monitors working parameters of the power distribution electronic switch on the corresponding power supply distribution branch circuit so as to carry out power distribution protection on the corresponding power supply distribution branch circuit, and sends the working parameters of the power distribution electronic switch on the corresponding power supply distribution branch circuit to the main control chip so as to send the working parameters of the power distribution electronic switch on the corresponding power supply distribution branch circuit to the whole vehicle communication network through the main control chip.
According to the utility model discloses a vehicle intelligent distribution box, communication chip is when receiving the power-on instruction, the power-on instruction is sent for main control chip, and then, main control chip is according to the power-on instruction, carry out drive control to the distribution electronic switch on the corresponding power supply distribution branch road through drive chip, and, drive chip still monitors distribution electronic switch's on the corresponding power supply distribution branch road working parameter in order to carry out the distribution protection to corresponding power supply distribution branch road, and send distribution electronic switch's on the corresponding power supply distribution branch road working parameter for main control chip, in order to send whole car communication network through main control chip on with the corresponding power supply distribution branch road on distribution electronic switch's working parameter. Therefore, the whole vehicle power distribution without the safety disc and the relay state is realized, and the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches can be monitored and reported, so that the working state of each power supply distribution branch can be monitored, and the power utilization safety of the whole vehicle is improved.
In addition, according to the utility model discloses foretell vehicle intelligent distribution box can also have following additional technical characterstic:
in some examples, the main power supply branch includes a first power supply branch and a second power supply branch, an input end of the first power supply branch is used for connecting a first power supply, an input end of the second power supply branch is used for connecting a second power supply, an output end of the first power supply branch is connected with an output end of the second power supply branch to serve as an output end of the main power supply branch, and the first power supply branch and the second power supply branch independently supply power to the plurality of power supply distribution branches.
In some examples, power supply electronic switches are respectively disposed on the first power supply branch and the second power supply branch, the driving chip further performs power supply protection on the first power supply branch and the second power supply branch by monitoring working parameters of the power supply electronic switches, and sends the working parameters of the power supply electronic switches to the communication chip through the main control chip, so that the communication chip sends the working parameters of the power supply electronic switches to the vehicle communication network.
In some examples, the vehicle intelligent distribution box further comprises: the anode of the first diode is connected to the first power supply, and the cathode of the first diode is connected with the first power supply end of the communication chip; and the anode of the second diode is connected to the second power supply, and the cathode of the second diode is connected with the second power supply end of the communication chip.
In some examples, the power distribution electronic switch and the power supply electronic switch are both MOS transistors.
In some examples, the operating parameter of the MOS transistor includes at least one of an operating voltage, an operating current, and a temperature of the MOS transistor.
In some examples, the vehicle intelligent distribution box further comprises: and the LIN bus unit is connected with the main control chip so that the main control chip can communicate with an external LIN bus through the LIN bus unit.
In some examples, the vehicle intelligent distribution box further comprises: and the low-side relay driving unit is connected with the main control chip so that the main control chip drives the external low-side relay to be switched on or switched off through the low-side relay driving unit.
In some examples, the SPI control and the direct drive control are performed between the main control chip and the driver chip.
In order to achieve the above object, an embodiment of a second aspect of the present invention provides a vehicle, including the vehicle intelligent distribution box as described above.
According to the utility model discloses a vehicle, through adopting above-mentioned vehicle intelligent power distribution box, can realize not having the whole car distribution of safety disc and relay state, and can monitor the working parameter of distribution electronic switch on the corresponding power distribution branch road and report to in monitoring the operating condition of every power distribution branch road, thereby improve whole car power consumption safety.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is an electrical schematic diagram of a vehicle intelligent distribution box according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a driving principle of the driving control chip according to an embodiment of the present invention;
fig. 3 is a block schematic diagram of a vehicle according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The following describes vehicle intelligent distribution box and vehicle of the embodiment of the present invention with reference to the drawings.
Fig. 1 is an electrical schematic diagram of a vehicle intelligent distribution box according to an embodiment of the present invention. As shown in fig. 1, the vehicle intelligent distribution box 100 includes: the power supply device comprises a main power supply branch 10, a plurality of power supply distribution branches 20, a communication chip 30, a main control chip 40 and a driving chip 50.
Specifically, as shown in fig. 1, an input end of each power supply distribution branch 20 in the plurality of power supply distribution branches 20 is connected in parallel to an output end of the main power supply branch 10, an output end of each power supply distribution branch 20 is connected to a corresponding load, and a power distribution electronic switch is arranged on each power supply distribution branch 20; the communication chip 30 is connected with the main control chip 40, the driving chip 50 is connected with the main control chip 40, the communication chip 30 and the main control chip 40 are respectively connected to a whole vehicle communication network, wherein when the communication chip 30 receives a power-on instruction, the power-on instruction is sent to the main control chip 40, the main control chip 40 drives and controls the power distribution electronic switches on the corresponding power supply distribution branches 20 through the driving chip 50 according to the power-on instruction, the driving chip 50 also monitors working parameters of the power distribution electronic switches on the corresponding power supply distribution branches 20 to perform power distribution protection on the corresponding power supply distribution branches 20, sends the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches 20 to the main control chip 40, and sends the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches 20 to the whole vehicle communication network through the main control chip 40.
Particularly, in some embodiments of the utility model, communication chip 30 can be in the whole car communication network of real-time supervision whether have whole car demand power-on instruction, and when communication chip 30 received power-on instruction, send power-on instruction for main control chip 40, so that main control chip 40 carries out drive control to the distribution electronic switch on corresponding power supply distribution branch road 20 through drive chip 50 according to power-on instruction, thereby realize the whole car distribution of no rupture disc and relay state, satisfy the distribution demand of a plurality of vehicle loads, improve whole car power consumption safety.
It should be noted that the main control chip 40 can control the on and off of the power distribution electronic switch on the power supply distribution branch 20 through the driving chip 50 according to a power-on instruction (hard-line wake-up or network remote wake-up), so as to implement power distribution for multiple vehicle loads, and in addition, the main control chip 40 can also implement power distribution management of the entire vehicle, perform online debugging and power distribution parameter calibration.
In addition, the driving chip 50 also monitors the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches 20 to perform power distribution protection on the corresponding power supply distribution branches 20, and sends the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches 20 to the main control chip 40, so that the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches 20 are sent to the whole vehicle communication network through the main control chip 40, and therefore, the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches are monitored and reported, so that the working state of each power supply distribution branch is monitored, and the power utilization safety of the whole vehicle is improved.
It should be noted that in some embodiments of the utility model, before main control chip 40 distributes to the vehicle load through the corresponding power supply distribution branch road 20 of drive chip 50 drive, drive chip 50 can also carry out whole car state self-checking according to the working parameter of distribution electronic switch on the corresponding power supply distribution branch road 20 of monitoring to after whole car state self-checking passes, the corresponding power supply distribution branch road 20 of redriving distributes to the vehicle load, thereby further improve whole car power consumption safety.
It should be understood that in the above-mentioned embodiment of the utility model, when communication chip 30 was receiving the power-on instruction, power-on instruction was sent for main control chip 40, and then, main control chip 40 was according to power-on instruction, power distribution electronic switch on corresponding power supply distribution branch road 20 was carried out drive control through drive chip 50, and, drive chip 50 still monitors the working parameter of power distribution electronic switch on corresponding power supply distribution branch road 20 and distributes protection with carrying out the power distribution to corresponding power supply distribution branch road 20, and send the working parameter of power distribution electronic switch on corresponding power supply distribution branch road 20 to main control chip 40, in order to send the working parameter of power distribution electronic switch on corresponding power supply distribution branch road 20 to whole car communication network through main control chip 40. Therefore, the whole vehicle power distribution without the safety disc and the relay state is realized, and the working parameters of the power distribution electronic switches on the corresponding power supply distribution branches are monitored and reported, so that the working state of each power supply distribution branch is monitored, and the power utilization safety of the whole vehicle is improved.
Further, the main power supply branch 10 includes a first power supply branch and a second power supply branch, an input end of the first power supply branch is used for connecting a first power supply V1, an input end of the second power supply branch is used for connecting a second power supply V2, an output end of the first power supply branch 101 is connected with an output end of the second power supply branch and then used as an output end of the main power supply branch 10, and the first power supply branch and the second power supply branch supply independently supply power from the plurality of power supply distribution branches 20.
Particularly, in some embodiments of the utility model, first power supply branch road can distribute the branch road 20 power supply for a plurality of power supplies alone through first power V1 to and, the second power supply branch road can distribute the branch road 20 power supply for a plurality of power supplies alone through second power V2, thereby realizes whole car power supply redundancy design, improves whole car power consumption safety.
It should be understood that, in the above-mentioned embodiment of the present invention, when the first power supply branch in the main power supply branch 10 fails, the power can be supplied through the second power supply branch connected to the second power source V2 independently from the plurality of power supply distribution branches 20, and, when the second power supply branch in the main power supply branch 10 fails, the power can be supplied through the first power supply branch connected to the first power source V1 independently from the plurality of power supply distribution branches 20. Therefore, when any one of the first power supply branch and the second power supply branch has a power failure, normal power supply can be realized through the other power supply branch, normal operation of the whole vehicle is maintained, and the power utilization safety of the whole vehicle is improved.
Further, the first power supply branch and the second power supply branch are respectively provided with a power supply electronic switch, the driving chip 50 further performs power supply protection on the first power supply branch and the second power supply branch by monitoring working parameters of the power supply electronic switches, and sends the working parameters of the power supply electronic switches to the communication chip 30 through the main control chip 40, so that the communication chip 30 sends the working parameters of the power supply electronic switches to the whole vehicle communication network.
Particularly, in some embodiments of the present invention, the driving chip 50 further provides power protection for the first power supply branch and the second power supply branch by monitoring the operating parameters of the power supply electronic switch, and sends the operating parameters of the power supply electronic switch to the communication chip 30 through the main control chip 40, so that the communication chip 30 sends the operating parameters of the power supply electronic switch to the whole vehicle communication network.
It should be understood that, in the above embodiments of the present invention, the driving chip 50 may monitor the operating parameters of the power supply electronic switch provided by the first power supply branch, so as to provide power protection for the first power supply branch, and the driving chip 50 may monitor the operating parameters of the power supply electronic switch provided by the second power supply branch 102, so as to provide power protection for the second power supply branch 102, and send the operating parameters of the power supply electronic switch to the communication chip 30 through the main control chip 40, so that the communication chip 30 sends the operating parameters of the power supply electronic switch to the entire vehicle communication network. Therefore, the working parameters of the power distribution electronic switch on the main power supply branch circuit are monitored and reported, so that the working state of the main power supply branch circuit is monitored, and the power utilization safety of the whole vehicle is improved.
Furthermore, the power distribution electronic switch and the power supply electronic switch are both MOS tubes.
Particularly, in some embodiments of the present invention, the distribution electronic switches on the corresponding power distribution branches 20 are MOS transistors, and the distribution electronic switches on the first power supply branch and the second power supply branch are MOS transistors.
It should be understood that, in the above embodiments of the present invention, after the main control chip 40 receives the power-on command, the power distribution electronic switch (MOS transistor) on the corresponding power distribution branch 20 can be driven and controlled by the driving chip 50. Therefore, the whole vehicle power distribution without the safety disc and the relay state is realized, and the power utilization safety of the whole vehicle is improved.
Further, the operating parameter of the MOS transistor includes at least one of an operating voltage, an operating current, and a temperature of the MOS transistor.
Specifically, in some embodiments of the present invention, the driving chip 50 further monitors at least one of the operating voltage, the operating current and the temperature of the power distribution electronic switch on the corresponding power distribution branch 20 to perform power distribution protection on the corresponding power distribution branch 20, and transmits at least one of the operating voltage, the operating current and the temperature of the power distribution electronic switch on the corresponding power distribution branch 20 to the main control chip 40, so as to transmit at least one of the operating voltage, the operating current and the temperature of the power distribution electronic switch on the corresponding power distribution branch 20 to the vehicle communication network through the main control chip 40, and the driving chip 50 further monitors at least one of the operating voltage, the operating current and the temperature of the power supply electronic switch to perform power supply protection on the first power supply branch and the second power supply branch, respectively, and transmits at least one of the operating voltage, the operating current and the temperature of the power supply electronic switch to the communication chip 30 through the main control chip 40, so that the communication chip 30 transmits at least one of the operating voltage, the operating current and the temperature of the power supply electronic switch to the vehicle communication network.
It is understood that the driving chip 50 can monitor the operating current and the operating voltage of the power input terminal (drain) and the load terminal (source) of the power distribution electronic switch (MOS transistor) and the power supply electronic switch (MOS transistor), and simultaneously monitor the operating temperature of the power distribution electronic switch (MOS transistor) and the power supply electronic switch (MOS transistor).
It should be understood that, in the above embodiments of the present invention, the driving chip 50 may monitor the operating parameters (at least one of the operating voltage, the operating current and the temperature) of the power distribution electronic switch (MOS transistor) to perform power distribution protection on the corresponding power distribution branch 20, and may monitor the operating parameters (at least one of the operating voltage, the operating current and the temperature) of the power supply electronic switch (MOS transistor) to perform power supply protection on the first power supply branch and the second power supply branch respectively, and send the operating parameters (at least one of the operating voltage, the operating current and the temperature) of the power distribution electronic switch (MOS transistor) and the power supply electronic switch (MOS transistor) to the entire vehicle communication network through the communication chip 30. From this, through drive chip 50 monitoring distribution electronic switch and power supply electronic switch's operating parameter and report to in monitoring the operating condition of power supply distribution branch road and main power supply branch road, realize overcurrent protection, short-circuit protection, crossing undervoltage protection, excess temperature protection etc. to power supply distribution branch road and main power supply branch road, and need not main control chip 40 and intervene, improve whole car power consumption safety.
Further, as shown in fig. 1, the vehicle intelligent distribution box 100 further includes: a first diode 60 and a second diode 61.
Specifically, the anode of the first diode 60 is connected to the first power supply V1, and the cathode of the first diode 60 is connected to the first power supply terminal of the communication chip 30; an anode of the second diode 61 is connected to the second power supply V2, and a cathode of the second diode 61 is connected to the second power supply terminal of the communication chip 30.
Specifically, in some embodiments of the present invention, the first power source V1 may supply power to the communication chip 30 through the first diode 60 and the first power supply terminal of the communication chip 30, and the second power source V2 may supply power to the communication chip 30 through the second diode 61 and the second power supply terminal of the communication chip 30.
It should be understood that in the above-mentioned embodiment of the present invention, the communication chip 30 can be used as the basic chip of the communication system communicating with the entire vehicle communication network, and can supply power to the communication chip 30 through the first power supply terminal by the first power supply V1 and supply power to the communication chip 30 through the second power supply terminal by the second power supply V2, and through setting the first diode 60 between the first power supply V1 and the communication chip 30 and setting the second diode 61 between the second power supply V2 and the communication chip 30, so as to isolate the power supply of the first power supply V1 and the second power supply V2, thereby preventing the normal power supply of the other power supply from being affected when the power supply failure occurs all the way, and improving the power utilization safety of the entire vehicle.
Further, as shown in fig. 1, the vehicle intelligent distribution box 100 further includes a LIN bus unit 70.
Specifically, the LIN bus unit 70 is connected to the main control chip 40 so that the main control chip 40 communicates with an external LIN bus through the LIN bus unit 70.
It should be understood that, in the above embodiments of the present invention, the main control chip 40 may communicate with the external LIN bus through the LIN bus unit 70 to feed back the operating parameters of the power distribution electronic switch and the power supply electronic switch to the power management IBS system, thereby facilitating the subsequent power management analysis and function expansion.
Further, as shown in fig. 1, the vehicle intelligent distribution box 100 further includes a low-side relay driving unit 80.
Specifically, the low-side relay driving unit 80 is connected to the main control chip 40, so that the main control chip 40 drives the external low-side relay to be turned on or off through the low-side relay driving unit 80.
It should be understood that, in the above embodiments of the present invention, the main control chip 40 may drive the external low-side relay to be turned on or turned off through the low-side relay driving unit 80, so as to control the corresponding vehicle-mounted electric device to be turned on or turned off by controlling the on/off of the external low-side relay.
Further, as shown in fig. 2, the SPI control and the direct drive control are performed between the main control chip 40 and the driving chip 50.
Specifically, in some embodiments of the present invention, the main control chip 40 can control the driving chip 50 through the SPI control mode, and also can control the driving chip 50 through the direct drive control.
Alternatively, when a specific circuit of the vehicle intelligent distribution box 100 is designed, a corresponding control mode may be selected according to actual conditions.
It should be understood that, IN the above-mentioned embodiment of the present invention, as shown IN fig. 2, the driving chip 50 can provide two control modes, one is SPI control, and the other is direct drive control (the four pins IN1-IN4 of the main control chip 40 are used as control pins for 4 outputs IN the direct drive control mode, and ordinary I/O control is used). Thereby, the compatibility of the vehicle intelligent distribution box 100 is improved.
It should be noted that the embodiment of the present invention provides a vehicle intelligent distribution box which can be applied to large trucks.
To sum up, according to the utility model discloses a vehicle intelligent distribution box, communication chip is when receiving last electric instruction, it sends for main control chip to go up the electric instruction, and then, main control chip is according to last electric instruction, carry out drive control to the distribution electronic switch on the corresponding power supply distribution branch road through drive chip, and, drive chip still monitors distribution electronic switch's on the corresponding power supply distribution branch road working parameter and carries out the distribution protection with the distribution branch road to corresponding power supply, and send distribution electronic switch's on the corresponding power supply distribution branch road working parameter for main control chip, send whole car communication network with distribution electronic switch's on the corresponding power supply distribution branch road working parameter through main control chip. Therefore, the whole vehicle power distribution without the safety disc and the relay state is realized, and the working parameters of the power distribution electronic switches on the corresponding power distribution branches can be monitored and reported, so that the working state of each power distribution branch can be monitored, and the power utilization safety of the whole vehicle is improved.
Fig. 3 is a block schematic diagram of a vehicle according to an embodiment of the present invention. As shown in fig. 3, the vehicle 1000 includes the vehicle intelligent distribution box 100 of the embodiment of the present invention.
It is required to explain, the utility model discloses vehicle 1000 through adopting the aforesaid the utility model discloses vehicle intelligent distribution box 100 can realize with the aforesaid the utility model discloses the concrete implementation of vehicle intelligent distribution box 100 one-to-one for reduce redundancy, no longer describe here.
To sum up, according to the utility model discloses a vehicle through adopting above-mentioned vehicle intelligent power distribution box, can realize the whole car distribution of no rupture disc and relay state, and can monitor the operating parameter of distribution electronic switch on the corresponding power distribution branch road and report to monitor the operating condition of every power distribution branch road, thereby improve whole car power consumption safety.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like used in the embodiments of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated in the embodiments. Therefore, the features of the embodiments of the present invention defined by the terms "first", "second", and the like, may explicitly or implicitly indicate that at least one of the features is included in the embodiments. In the description of the present invention, the word "plurality" means at least two or two and more, such as two, three, four, etc., unless specifically limited otherwise in the examples.
In the present invention, unless otherwise explicitly specified or limited in relation to the embodiments, the terms "mounted," "connected," and "fixed" appearing in the embodiments are to be understood broadly, for example, the connection may be a fixed connection, a detachable connection, or an integral body, and may be understood as a mechanical connection, an electrical connection, etc.; of course, they may be directly connected or indirectly connected through intervening media, or they may be interconnected within one another or in an interactive relationship. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific implementation. In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A vehicle intelligent distribution box, comprising:
a main power supply branch;
the input end of each power supply distribution branch in the power supply distribution branches is connected to the output end of the main power supply branch in parallel, the output end of each power supply distribution branch is connected to a corresponding load, and a power distribution electronic switch is arranged on each power supply distribution branch;
the communication chip is connected with the main control chip, the driving chip is connected with the main control chip, the communication chip and the main control chip are respectively connected to a whole vehicle communication network, wherein when the communication chip receives a power-on instruction, the power-on instruction is sent to the main control chip, the main control chip drives and controls the power distribution electronic switch on the corresponding power supply distribution branch circuit through the driving chip according to the power-on instruction, the driving chip also monitors working parameters of the power distribution electronic switch on the corresponding power supply distribution branch circuit so as to carry out power distribution protection on the corresponding power supply distribution branch circuit, and sends the working parameters of the power distribution electronic switch on the corresponding power supply distribution branch circuit to the main control chip so as to send the working parameters of the power distribution electronic switch on the corresponding power supply distribution branch circuit to the whole vehicle communication network through the main control chip.
2. The vehicle intelligent distribution box according to claim 1, wherein the main power supply branch comprises a first power supply branch and a second power supply branch, an input end of the first power supply branch is used for connecting a first power supply, an input end of the second power supply branch is used for connecting a second power supply, an output end of the first power supply branch is connected with an output end of the second power supply branch to serve as an output end of the main power supply branch, and the first power supply branch and the second power supply branch supply power independently from the plurality of power supply distribution branches.
3. The vehicle intelligent distribution box according to claim 2, wherein a power supply electronic switch is respectively disposed on the first power supply branch and the second power supply branch, the driving chip further performs power supply protection on the first power supply branch and the second power supply branch by monitoring operating parameters of the power supply electronic switch, and sends the operating parameters of the power supply electronic switch to the communication chip through the main control chip, so that the communication chip sends the operating parameters of the power supply electronic switch to the vehicle communication network.
4. The vehicle intelligent distribution box of claim 2, further comprising:
the anode of the first diode is connected to the first power supply, and the cathode of the first diode is connected with the first power supply end of the communication chip;
and the anode of the second diode is connected to the second power supply, and the cathode of the second diode is connected with the second power supply end of the communication chip.
5. The vehicle intelligent distribution box of claim 3, wherein the distribution electronic switch and the supply electronic switch are both MOS transistors.
6. The vehicle intelligent distribution box of claim 5, wherein the operating parameters of the MOS transistor comprise at least one of an operating voltage, an operating current and a temperature of the MOS transistor.
7. A vehicle intelligent distribution box according to any of claims 1-6, further comprising: and the LIN bus unit is connected with the main control chip so that the main control chip can communicate with an external LIN bus through the LIN bus unit.
8. A vehicle intelligent distribution box according to any of claims 1-6, further comprising: and the low-side relay driving unit is connected with the main control chip so that the main control chip drives the external low-side relay to be switched on or switched off through the low-side relay driving unit.
9. The vehicle intelligent distribution box according to any one of claims 1-6, wherein SPI control and direct drive control are performed between the main control chip and the driving chip.
10. A vehicle characterized by comprising a vehicle intelligent distribution box according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221834053.XU CN217649395U (en) | 2022-07-15 | 2022-07-15 | Vehicle intelligent distribution box and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221834053.XU CN217649395U (en) | 2022-07-15 | 2022-07-15 | Vehicle intelligent distribution box and vehicle |
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| CN217649395U true CN217649395U (en) | 2022-10-25 |
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| CN202221834053.XU Active CN217649395U (en) | 2022-07-15 | 2022-07-15 | Vehicle intelligent distribution box and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116394864A (en) * | 2023-06-09 | 2023-07-07 | 质子汽车科技有限公司 | Vehicle power management system and method |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116394864A (en) * | 2023-06-09 | 2023-07-07 | 质子汽车科技有限公司 | Vehicle power management system and method |
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